TYPICAL OPERATING CHARACTERISTICS
VIN = VOUT (NOMINAL) +1V, CIN = 1µF, COUT = 1µF, TA = +25℃, unless otherwise noted.
Line-Transient Response
Load-Transient Response
VIN = VOUT + 0.5V
ILOAD = 0mA to 50mA
CIN = 1
4.5V
3.5V
VIN
3.05V
μF
VOUT
3V
2.95V
ILOAD = 150mA
3.1V
3V
VOUT
2.9V
50mA
0mA
ILOAD
VOUT =3V
VOUT =3V
40µS/div
100µS/div
Power-Supply Rejection Ratio
vs.Frequency
Load-Transient Response Near Dropout
VOUT =3V
80
ILOAD =50mA
70
60
50
40
30
20
10
0
3.05V
3V
VOUT
2.95V
COUT =10μF
50mA
0mA
ILOAD
CIN = 1μF
VIN = VOUT + 0.1V
COUT =1μF
ILOAD = 0mA to 50mA
0.01
0.1
1
10
100
1000
40µS/div
Frequency(kHz)
Current limit vs.Temperature
Region of Stable COUT ESR vs.Load Current
1200
1100
1000
900
100
VOUT =3.3V
C
= 10μF
10
1
OUT
800
C
= 1μF
700
OUT
Stable Region
600
0.1
500
400
0.02
0.01
300
0
100
200
Load Current(mA)
300
400
-40 -20
0
20 40 60 80 100 120 140
Temperature(℃)
５
SG2012
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
